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12. Board Alarms
Board alarms CLEANTIME 90
If drive is interrupted, the error code should be identified by means of the status LED (fig. 6.
ref. 16). In the absence of malfunctions, the status LED is steadily on while the machine is in
operation. If a malfunction is detected, the status LED provides two types of information, a
slow flash (2 Hz) or a rapid flash (4 Hz) to indicate the severity of the malfunction.
Malfunctions with a slow flash are cancelled automatically once the malfunction has been
repaired and the machine functions normally again. Malfunctions with a rapid flash ("*" in the
table) are considered more serious. The machine must be turned of using the key switch (fig.
6 ref. 14) to reset operation after repairing the malfunction.
The indication of severity remains active for 10 seconds, after which the status LED flashes
constantly showing a two digit malfunction code until the repairs have been carried out.
For example, error code "1,4" is displayed as follows:
☼ ☼☼☼ example alarm code 1,4
Speed limiter potentiometer malfunction
Principal contactor actuator opening failure
Principal contactor malfunction, faulty electrical brake coil
Principal contactor actuator closing failure
Accelerator potentiometer malfunction
Brake activation malfunction
Brake deactivation malfunction
HPD malfunction (incorrect regulation of accelerator
potentiometer)
Incorrect motor voltage/short circuit in motor
Short circuit in motor/EEPROM error
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